Wheel-frame for baby-carriages.



J. U. DE'UHERKfiOZ.

WHEEL FRAME FOR BABY GARBIAGES.

Patented Dec. 1, 1914.

2 SHEETS-SHEET 1.

APPLICATION FILED MAR. 12., 1914.

WITNESSES INVENTOR A TTORNE Y JULIUS U'HERKOVICH DE UHER-KGCZ, OF BARNESBORO, PENNSYLVANIA.

Specification of Letters llatent.

WHEELER-AME FOR BABY-CARRIAGES.

Patented Dec. 1,1914.

Application flled uarch m, 1914. Serial No. 824,275.

To all whom it may concern Be it known that I, JULIUS Unnuxovic'n on Unemgooz, a citizen of the reslding at Barnesboro, Cambrla and United States, in the county of State of Pennsylvania, have invented certain new and. useful Improve-' ments in 'VVheel- Frames for Baby- Carriages, of which the following is a specifica- My invention relates-to improvements in adjustable wheel frames for childrens carriages and it has for its object to provide a carnage frame soconstructed as to enable the carriage to be readily moved up and down stairs supported by the front as well as the rear wheels in an inclined position on the grade of the stairs whilethe carriage body is held level from step to step.

lVith this object in view ny invention consistsbf certain novel features of constructionv and arrangement ofuparts as will be hereinafter described and pointed out in the claim, reference being had to the accompanying drawings in which Figure 1 is a side view in perspective of .my device. Fig. 2 is a side view in perspective, of my device. Fig. 3 is a plan view of a part of my device; Fig. 4 is an end view of a part of my device and Fig. 5 is a perspective view of a fragmentary part of my device.

v The same reference characters denote like parts in each of the several figures of the Y drawings.

In carrying'out my invention Iprovide a body support frame A composed of the side bars a. a which frame A-hasprojecting from it the usual carriage handle support 2. 2 and having mounted thereon the usual handle. bar 3. Mounted on the side bars a. a of the frame A are the cross bars 4. 4 and mounted on these cross bars, 4. 4 are the usual carriage springs 5. 5 supporting the carria 'e body B. Between the side bars a. a I haze the front end bar 6. At the rear end of the side bars a. a and mounted in the same I have the rear carriage axle c. Pivotally mounted on the axle c I have the sideframes C. C, one on either side, and each composed of the upper bar 03 and the lower bar e and between the ends of bar d and bar -e extends the perforatedcurved connecting bar f havingthe perforations orbolt holes 5. 5. 5, etc. -Each side bar a. a has the forked shaped end projections 6. 6 and between which the-curved bar 1 passes. Mounted on end bar 6 I have the lugs 7; 7 and between the inner fork projections 6. 6 and lug 7 I have mounted the spring bolts 8. 8 encircled by the coil spring 9. Mounted on the end bar 5, I have also pivotally mountedthe pulley wheels 10. 10, and attached to the spring bolts 8. 8 I have the cords 11. ll

which pass around the pulleys 10. 10. The I rear end of theside frames G. C is in bifurcated formation as shown in Fig. 5 and havlng theprojecting sides 12. 12 through both of which is the opening. 13 and through a projecting lateral flange 15. Through the vertical side 14 is the slot 16 and through the flange 15 is the slot 17. Adjustably mounted between the bars 0. c is the front carriage axle c which carriage axle 0 passes through the side slot- 16. On the lower side of the axle c are the nut bolts 18. 18 passing through slot 17. The cords 11. ll arejoined to cord 11' which passes up under pulley 19 mounted in any convenient manner and connect-s with the lever 20 mounted on the bandlebar 3. i

In the operation of my device when the carriage is on a level surface the side frames C. C are in a raised position so as to bring the axle'bar 6 parallel to and beneath the side frame A and there held in posit on by the spring bolts 8. 8. When it is desired to pass d'own'a pair of stairs I take hold of the handle bar 3 in the usual manner. I press the lever 20 which pulls the cord 11 which in turn pulls out the spring bolts 8. 8. from the openings 55. in the bar f and the bar f isthus released and the supporting frame of the front axle wheels 9. 9 1s dropped. to the grade of the stairs or the next lower step without changing the poise of the carriage body. Then I again release the spring bolts 8. 8. and they again enter into the opposite opening 5 and there firmly hold the wheel frame C to the grade of the stairs which I descend and which permlts the front carriage wheels to drop from one step to the other and. thus permits all four wheels of the carriage to contmually rest on and follow the treads of the stairs as the de- V parallel to-the frame A. Bolts are again released and pass through the opposite opening 5. 5. which holds the entire wheel frame in normal position for wheeling on the level surface. When ascending the stairs I pull out the bolts 8. 8., press down on handle bar of the steps.

3, raising the front end of the frame A and thus drop the bar f and frame C to the grade 7 I again release bolts 8. 8. which enter the opening 5. 5. in the upper end of bar which holds the wheel frame 0 to the gra e of the stairs and thus all four carriage wheels are brought in contact with the stair treads, forming a safety support during the entire ascent.

Having thus described my inventionywhat I claim as new and for which I desire Letters Patent is as follows:

In a wheel frame for baby carriages two parallel -handle bar extensions; springs mounted thereon for the carriage body; the

front end of said bars slotted and a front cross bar connecting said extension bars; the

rear wheel axle passing through said parallel. extension bars and mounted therein; pivotally and vertically mounted on said rear axle on each side extension bar a' triangular frame; each frame vertically parallel with'tlie side of the carriage body; the front side of said frameperforated and ex-. tending through said extension bar slot;

the lower side of said triangular frame slotted, the front carriage axle adjustably mounted in said slot"; spring bolts mounted in said cross bar adapted to meet and pass through 'said slotted end of the extension bars and through the opening in said triangular frame; the pulleys mounted on said cross bar; cords attached to said spring bolts and passing over said pulleys and then uniting in a single cord which connects with a lever mounted on the handle bar and adapted to move said spring bolts all for the purpose described. y In testimony whereof I have aflixed my signature in presence of two witnesses.

' JULIUS UIlERKOVICH DE UHERKCZ.

\Vitnesses:

WILLIAM F. DILL, O. C. JONES. 

